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Finding the Fourth Proportional to 1,964,609.76, 2,703,394.80 and 1,641,283.68

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Solution

The fourth proportional to 1,964,609.76, 2,703,394.80 and 1,641,283.68 is: 2,258,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,609.76 : 2,703,394.80 = 1,641,283.68 : x
  2. Step 2: Convert to fraction form
    1,964,609.76/2,703,394.80 = 1,641,283.68/x
  3. Step 3: Cross multiply
    1,964,609.76x = 2,703,394.80 × 1,641,283.68
  4. Step 4: Simplify right side
    1,964,609.76x = 4,437,037,765,836.86
  5. Step 5: Solve for x
    x = 4,437,037,765,836.86/1,964,609.76
  6. Step 6: Final answer
    x = 2,258,483.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.